>> reporter: sandy hook itself remains closed indefinitely. parents say they have been told classes will resume in an unused middle school in the next town over some time in january. sara's 5-year-old william was across the hall from a class that was attacked. >> i'm so nervous. i'm scared and i will be frightened on the first day of school and many days after that. >> reporter: karen's son is a kindergartner. >> it's scary. i'm going to put on a brave face, march up to the door and say hello to the teacher and i'll walk away and then cry. it's all so surreal. i just -- i'm sorry. i just can't -- it's all just a nightmare. >> reporter: today, we learned about the extraordinary lengths the officials are going through to make sure the school's new home exactly replicates the atmosphere at sandy hook. look at this picture. this child's desk has been set up at the new school and every detail, right down to the detail of the crayon is painstakingly recreated. not every child will go back to school. today, victor cruz visited with the family of a li